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l. GRANZ.

MOTION PICTURE MACHINE.

APPLICATION FILED MAR. 28, I939.

1 349,420, Patented Aug. 10, 1920.

4 SHEETSSHEET I.

J. GRANZ.

MOTION PICTURE MACHINE.

APPLICATION FILED MAR- 28. I919.

Patented Aug. 10, 1920.

4 SHEE [8-SHEE'I 2.

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J. GRANZ.

MOTION PICTURE MACHINE.

APPLICATION FILED MAR. 25. I919.

1,349,420, Patented Aug-10,1920.

4 SHEEN-SHEET 3.

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MOTION PICTURE MACHINE.

APPLICATION FILED MAR. 28, 1919.

1,349,420. Patented Aug. 10, 1920.

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JOSEPH GRANZ, 0F DULUTH, MINNESOTA.

MOTION-PICTURE MACHINE.

Tofall whom it may concern:

A .Be it known that I, Josnrrr GRAITZLQ. native of Austria, whohas declared his intention of becoming a citizen of ,the United States of America, and a resident of Duluth, in the county of St. Lou s, State of Minnesota have :invented certain new and in Motion-Picture Machines, Case 1,) of which the following eSP fi t OH-M 1 :1. "i'nf This invention relates Y to the intermittent lm, :ie'ed n typ -hf v q i -pm u emachines,.and;% as;for ;its5objects:

. ,To;- provide a .structur l format-ion and association of parts;;wherein the ,difierent members -of sth e intermittent feeding mechanism are mounted together as an individual unit, and detachable from the main frame as acomplete unit for repair readjustment/ and replacement in 'arapid, convenient and effective manner. 5

--To provideasimple and ifective operative connection between the aforesaid intermitten'te. film *feeding through the centralportion of the machine 7 mechanism and the correlated light shutter, film feed, film takeu and film reeling mechanisms, by means 0? which the -o erations of the mechanisms areefiectedan controlledin a convenient and efiicient manner. a V 1 v To A rovide in connection with the said intermittent film feeding mechanism and its associated aperture. plate, a simple and eifective means for-attaining a proper framing of the picture film at the light aperture of said, plate, all as willhereinafter more fully ap'ar.

n the. accompanying drawings Figure 1,-is a side elevat'ouvof a motion picture machine: and accessories, showing the general arrangement and connections of the difi'erent parts and mechanisms;.

Fig. 2, is an'enlarged side elevation of the central portion of the machine, showing the driving. connections between the film feeding mechanisms, etc., the inclosing shell or housing thereof being shown in section.

Fig. 3,. is an enlarged vertical section adjacent to the opticalcenter thereof, made in a direction the reverse of Figs. .1 and 2, and showing the relative arrangement of the-present film feeding mechanism to the film guideandaperture plate.

Specification of Letters Patent.

Patented Aug. 10, 1920.

Application filed March 28, 1919. Serial No. 285,758.

Fig. 4, is an enlarged fragmentary sectional elevation, on line w-w, Fig. 1. F Fig1. 5, is a similar view on line m"-w,

V Fig. 6, is a 'detail perspective view of the driven'element and its associated parts of the intermittent film feeding mechanism.

Fig. '7, is'a similar viewof the driving element and its associated parts of said mechanism.: i q

Like reference numerals indicate like parts in the severalviews. Referring to' the drawin the main casing of the mac ine, preferably of the rectangular box form shown, and formin the mainchamber oflthe machine, adapts to contain the film actuating drums, film uiding means, etc., and provided at one side with a shell or casing 2 of a cup form ada ted to provide a containing chamber or the interconnected operatin gears of thevmachine hereinafter describe in detail. p

3 and 4.- designate. the respective u per and lower filmmaga'zines of the usual rum form and adapted to receive in a removable and replaceable manner the film reels 5 and 6 of the machine. Said film magazines are fixedly secured to upper and lower saddle formations 3' and 4 on the respective top and bottom portions of the main casing 1, and are provided with tangentially ars, 1 designates ranged film apertures which open into the main chamber aforesaid, in vertically alined relation to the filmsupp'ly andffilm take-up drums of the machine, hereinafterdescribecl indetail. p r

7 designates angle brackets fixed on the lower magazine 4'and adapted to receive the adjustable tripod feet 7; by whichthe apparatus is supported as a whole.

8 designates the objective or front lens member of the machine, attached to the front wall of the main casing 1 in a position which brings the optical center of the machine at the mid-height and mid-width of the main chamber of the casing 1;

9 designates the condenser or rear lens member of the machine, of an usual construction, the carryin frame 0 which is secured to the rear wal ofthe'main casing 1 by horizontal posts 10, asset forth in detail in my companion application for Letters Patent Serial No. 285,760, filed March as, 1919.

ll designates an apertured shell secured within the main chamber of the casing 1 and to the rear wall of the same, with its aperture on the optical center of the ma chine.

i2 designates a hinged gate of a plate formassociated with the aperture of the shell ll and having an operating shaft extending outside the main casing 1 for con venient manual 0 eration when it is desired to cut-jo'fi' the ight rays from the usual apertured gui'de plate of the picture film, as a fire preventative precaution in the prac tical operation of the machine.

13 designates a transversely arra'n ed fixed shaft or arbor carrying the driving member of the intermittent film feeding mechanism hereinafter described. \Vhen the machine is hand drii' en the gear wheel 14 mounted on the shaft 13 receives motion through gears 15 1G, 17 and 18 from a transverse shaft 12 provided with a'n o'pe'rairing hand crank. Whenthe machine is power driven the gear 14 aforesaid rereives motion through gear 15 aforesaid, idler gears 20, and 21 an eomaershaas 22,23 and pulley and endless belt connection 24 between the counters'haft 23 aforesaid, and an operating motor 25 secured to the underside of the lower film magazine 4. The motor 25 is preferably of the electric type and provided with a cont-roiling rheostat 26 and other usual accessories, while the endless belt connection 24 is provided with the usual tighteher mechanism 27 by which its o'p'e'rativeness is controlled.

'28 designates a transverse shaft carrying the film supply sprocket drum '29 of the machine, and receiving motion from the shaft 2 through'the gears 18 -and 30, as shown in 1 designates a transverse shaft carrying the film take-up drum 32 of the machine and receiving motion from the shaft 19 through the train of idler gears 33 asshowu.

34 designates a long'ittx'dirrally arranged shaft carrying at its forward end the 'h ght shutter 35 of the machine and receiving motion from the gear wheel 15 aforesaid, through a pinion 36 and spiral gears '37, as shown in Fig. 2. Said light shutter is pref: erably of the usi'i'al radial bladed type and is arranged to the front of the objective 8 aforesai' i In the present structure the film supply sprocket drum 29 is arranged in the upper rear portion of the main chamber of the casing 1, While the film take-up sprocket drum 32 is arranged in thelower 'rear portion of said main chamber and in vertical alinement with the )film apertures of the ma azines 3 and 4 heretofore described and sai sprocket drums are provided with the usual spring held bearing rollers by which the pictu-re'iilm is held in proper operative engagement with said drums 29 and 32.

38 designate guide throats formed by opposed pads of fibrous or like elastic material and arranged at the above mentioned film apertures of the magazines 3 and 4, and adapted to prevent a local combustion of the picture film within the main chamber of the casing 1, extending into the respective magazines.

39 designates a vertically movable slide arranged in guides'on a side wall of the main casing 1 and ro'vide'd with an operating lever 40 exten ing outside said casing for convenient manual actuation.

-11 designates a drum revolub-ly mounted on the slide 39 and adapted to engage a loop in the picture film intermediate of the apertured guide plate and the intermittent film feeding drum heretofore referred to. The construction is such that a'dowr'iwaid adjustment of the drum 41 is adapted'to effect an independent movement of the picture film past the light aperane of said guide piate to eiiect a proper framing of the pictures on said film.

42 designates an endless belt forming a driving connection between belt pulley the shaft 31 of the film take-up drum 32 and a belt pulley on the carrying shaft '43 oi the lower 'fil'rn reel 6, as shown in Fig. 1.

44 designates a belt tightener mechanism associated with the aforesaid endless belt 42 and adapted to render the same operative during a film rewinding operation of the machine.

45 designates the apertured' guide plate of the maciine, arran ed 'on the optical center of the machine and intermediate of and a short distance in front of the film supply and film ta'lremp drums 29 and 32 aforesaid. Said aperture plate 45 is provided with the usual spring gate 46 preferably of the construc'tion set forth and claimed'in my 'companion a plication for Letters Patent, Seriai N0. 285, 59, filed March 28, 1919, andby means of which the picture film is guided in a fiat condition past the light aperture 0 1 the plate 45 aforesaid.

47 designates the lamp house of the machine preferably of the detachable constructionset forth and claimed in myaioresaid application, Serial No. 255,760, so that the same lamp house may be removed from its motionp-io'ture position shown in Fig. 1 and applied to and used in connection with the condenser 48 of a 'stereopticon or dike projecting apparatns 49 mounted on one side of the upp er film magazine 3, as il histrated in said I A material part of the presentinvcntion involves the mounting of the parts or the intermittent film feeding means as a single unit, demounta'ble and replaceable as a whole, in place in the main casing of the machine, and to'such end comprises a structural arrangement as follows:

50 designates a' base or bracket plate, adapted to be removably secured by screws 51 or the like to a side wall of the casing 1 and over a passageway in said wall through which the inner ortlon of the mechanism carried by the ate 50 is introduced into lace in the mam chamber of the casing 1.

he plate 50 carries the before mentioned fixed transverse shaft 13 u on which the driving member of the intermittent film feeding mechanism is revolubly mounted. In the structure shown said driving member comprises the before mentioned gear 14, a balance wheel 52 and the mutilated pin carrying driving member or disk 53, fixedly secured together upon a bushing 54 forming the bearing for said parts upon the aforesaid shaft or arbor 13 as shown in Figs. 4, 5, 6 and 7 55 designates a bearing bushing extending through an orifice in the base plate 50 aforesaid, andprovided with an external collar 56 intermediate its length and adapted for abutment against the face of the base plate 50.

57 designates a confining plate or bar removabl secured to the base plate 50, and adapte to bear against one side of the collar 56 to clamp and hold the bearing bushing 55 in place.

58 designates a shaft extending through the bore of the bushing 55 and having hearing therein, with one end carrying the intermittent film feeding sprocket drum 59 of the machine, while the other end carries the radially slotted disk 60 which constitutes the driven member of an intermittently operating gearing of the well known Geneva form.

Having thus fully described my said invention what I claim as new and desire to secure by Letters Patent, is

1. In a motion picture machine, a main casing formed with an opening in its side wall, and an intermittent 1m feeding mechanism comprising a carrying base detachably secured to said casin over said opening, an arbor fixed on sai supporting base, a driving intermittent gear member and its associated pinion revolubly mounted on said arbor, a journal bushing secured to said supporting base, a shaft journaled in said bushing, a film feeding drum mounted on one end of said shaft, and a driven intermittent gear member mounted on the other end of said shaft, substantially as set forth.

2. In a motion picture machine, a main casing formed with an opening in its side wall, and an intermittent film feeding mechanism comprising a carrying base detachably secured to said casin over said opening, an arbor fixed on sai supporting base,

a driving intermittent ear member and its associated pinion and alance wheel revolubly mounted on said arbor, a journal bushing secured to said supporting base, a shaft journaled in said bushing, a film feedin drum mounted on one end of said shaft, an a driven intermittent gear member mounted on the other end of said shaft, substantially as set forth.

3. In a. motion picture machine, a main casing formed with an o ening in its side wall, and an intermittent 1m feeding mechanism comprising a carrying base detachably secured to said casin over Said open-- ing, an arbor fixed on said supporting base, a riving-intermittent gear member and its associated pinion revolubl mounted on said arbor, a journal bushing tting an orifice in said supporting base and provided with a peripheral collar, a clamp plate secured to said supporting base and having engagement with said collar, a shaft journaled in said bushing, a film feeding drum mounted on one end of said shaft, and a driven intermittent gear member mounted on the other end of said shaft, substantially as set forth.

4. In a motion picture machine, a main frame or casing, a film supply drum and a film take-up drum mounted in vertically alined relation in said frame, a uide plate formed with a light aperture an arranged intermediate of said drums, an intermittent film feedin mechanism formed as a unit and detacha 1y connected to said main frame and arranged in front of the film sup ly and take-u drums aforesaid, a vertica ly adjustabit drum arranged intermediate of the guide plate and intermittent film feeding mechanism aforesaid and ada ted to engage a loop in the picture film to e ect a framing of the same, and means for imparting simultaneous rotation to the film supply, film take-up and film feed drums and mechanism, substantially as set forth.

5. In a motion picture machine, a main casing of a rectangular box shape open at top and bottom, the side walls of the casing having saddle extensions at their upper and lower ends, upper and lower film magazines having circular walls fittin the aforesaid saddle extensions of the si e walls of the casing and forming closures for the upper and lower open ends of said casing, a film supply drum and a film take-up drum mounted in vertically alined relation in said casing, a film guide plate formed with a light aperture and arranged intermediate 0 said drums, an intermittent film feeding mechanism arranged to the front of the film take-up drum aforesaid, and means for im parting simultaneous rotation to the film supply, film take-up and film feed drums and mechanism aforesaid, substantially as set forth.

6. In a motion picture machine, a main casing of a rectangular box shape open at top and bottom, the side walls of the casing having saddle extensions at their upper and lower ends, upper and lower film magazines 5 having eiucular walls fitti the aforesaid saddle extensions of the Si e walls of the casing and forming closures for the upper and lower open ends of said casing, bracket lugs carried on the lower film magazine, tripod legs attached to said bracket In S, and 10 film actuating means arranged in sai main casing, substamtiall as set forth.

Signed atD-ulut i, Minn, this 24th day 01'' March, 1919.

JOSEPH GRANZ. 

